This is going to be a staple in every format it's legal in forever, both because it's fun and because being able to deck check if your opponent has an answer in hand or just loses on the spot is wildly good
Al Bhed Rescuers is likely going to see Commander play
The good news is, paying 4 for this is pretty awesome, and thats fairly easy to do in a Blue-White deck
How to evolve Pokemon Evolving a Pokemon is a somewhat complicated process that requires a bit of setup
Casting Cost: Card Type: Creature - Otter Wizard Power / Toughness: 1 / 1 Card Text: Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Instant and sorcery spells you cast cost less to cast
At the beginning of your end step, if a player controls no creatures, sacrifice Sothera, then put a creature card exiled with it onto the battlefield under your control with two additional +1/+1 counters on it